We also under take A.M.C. for different type of transformers, Annual two visits are planned at site by our Service Engineer & technician team for Periodical maintenance of the Product.
Few maintenance Points are as follows
HALF YEARLY
Checking colour of silica gel and oil in the breather cup.
Checking oil level in the bushings, conservator, tank etc.
Checking colour of silica gel and oil in the breather cup.
Checking all oil valves positions.
Checking and recording of OTI and WTI temperature.
Checking Earthing connections .
checking alarm/trip contacts of all accessories.
Checking Arcing horn gaps on bushings (where provided) are properly adjusted.
Attending oil leaks .
FOR ANNUAL VISITS:-
Checking colour of silica gel and oil in the breather cup.
Checking oil level in the bushings, conservator, tank etc.
Checking all oil valves positions.
Checking and recording of OTI and WTI temperature.
Checking Earthing connections.
Checking alarm/trip contacts of all accessories.
Checking Arcing horn gaps on bushings (where provided) are properly adjusted.
Operating tap changer 2-3 times over full range.
Finally attending oil leakes any and conducting follwing test